Dentists apparatus for keeping the mouth open



1. Dentist's apparatus for keeping the mouth open

1.1 is a bottom view.

1.2 is a perspective view.

1.3 is a front view.

1.4 is a perspective view.

1.5 is a rear view.

1.6 is a side view.

1.7 is a top view.

CLAIM The ornamental design for a dentist's apparatus for keeping themouth open, as shown and described.